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Finding the Fourth Proportional to 448,095.95, 618,089.84 and 266,672.45

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Solution

The fourth proportional to 448,095.95, 618,089.84 and 266,672.45 is: 367,839.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,095.95 : 618,089.84 = 266,672.45 : x
  2. Step 2: Convert to fraction form
    448,095.95/618,089.84 = 266,672.45/x
  3. Step 3: Cross multiply
    448,095.95x = 618,089.84 × 266,672.45
  4. Step 4: Simplify right side
    448,095.95x = 164,827,533,164.79
  5. Step 5: Solve for x
    x = 164,827,533,164.79/448,095.95
  6. Step 6: Final answer
    x = 367,839.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.